#include <iostream>

using namespace std;

int main() {
  int x, y;
  cin >> x >> y;
  if (x > 0) {
    if (y > 0)
      cout << 1;
    else
      cout << 4;
  } else {
    if (y > 0)
      cout << 2;
    else
      cout << 3;
  }
  return 0;
}